View Compilation Error

0_0_12340909_17028.cpp
0_0_12340909_17028.cpp(3) : error C2143: 语法错误 : 缺少“;”(在“namespace”的前面)
0_0_12340909_17028.cpp(3) : error C2501: “uusing” : 缺少存储类或类型说明符
0_0_12340909_17028.cpp(3) : error C2059: 语法错误 : “;”
0_0_12340909_17028.cpp(7) : error C2065: “cin” : 未声明的标识符
0_0_12340909_17028.cpp(7) : fatal error C1903: 无法从以前的错误中恢复；正在停止编译